the base serve as a hub for material going to and from afghanistan. despite president obama's decision to speed up american troop withdrawal from afghanistan, there are no plans to close the base. >> president obama say some will drawdown, but there will be troops in afghanistan and for the foreseeable future we're here supporting efforts in afghanistan. >>> well, the secret service has a pilot -- says a pilot accidentally steered his small plane into the restricted airspace near camp david. president obama was at a heavally-guarded retreat yesterday afternoon when an f- 15 fighter jet intercepted that plane. authorities tried to contact the pilot via radio, but he didn't respond. the pilot was met by law enforcement when he landed at a maryland airport. the secret service has a philadelphia police officer to thank for finding a missing presidential seal. the seal, like this one seen here, fall off the presidential limousine during a visit to philadelphia last week turns out the seals are not painted on, but rather magnetic stickers. the secret servic